樣本平均差方 mean square deviation: 均方差; 均方離差; 均方偏差mean square frequency deviation: 均方頻率偏差mean square root deviation: 均方根偏差mean-square deviation: 均方差; 均方偏差; 均方偏移root mean square deviation: 均方根差; 均方根偏差; 均方根誤差下載手機詞典可隨時隨地查詞查翻譯